Methods and devices are provided for prompting information. The method includes: temperature in a smart socket is acquired; the temperature in the smart socket is compared with a preset temperature threshold value, and it is determined whether power of electric equipment connected with the smart socket is higher than an upper limit of an acceptable power range of the smart socket according to a comparison result; when the power of the electric equipment is determined to be higher than the upper limit of the acceptable power range of the smart socket, alarming information indicating that the power of the electric equipment is excessively high is generated; and the alarming information is pushed to a mobile terminal bound with the smart socket.